celsius = input('enter the celsius temperature\n')

# C=(F - 32) * 5 / 9
# F = C * 9 / 5 + 32

print(round(float(celsius) * 9 / 5, 2))
# why print out 78.25999999999999 for celsius 25.7 ??? https://chatgpt.com/c/6509fe5d-3822-497c-9da0-423d409f905a
print(round(float(celsius) * 9 / 5, 2) + 32) # 浮点数与整数的计算会进一步引发精度的问题.
print(round(float(celsius) * 9 / 5 + 32, 2))
